Tizrah, Prophet of the Exodus

Vigilance
Tizrah, Prophet of the Exodus gets -1/-1 for each
land card in your graveyard.
Tap an untapped creature you control: Tizrah
becomes a basic land of your choice until end of
turn.
Whenever Tizrah deals combat damage to a
player, you may sacrifice a land you control. If
you do, search your library for a land and put it
into play, then shuffle your library.